Microsoft Lumia 535 is currently available for £49.99 at Carphone Warehouse

The Microsoft Lumia 535 is currently available unlocked through Carphone Warehouse for just £49.99 on PAYG. All that's required is to add a £10 top-up to the price and you're good to go with Microsoft's super-affordable Windows Phone. The retailer has the handset in black, white, orange and exclusive green.